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Observational Study
. 2016 Aug;123(2):430-5.
doi: 10.1213/ANE.0000000000001271.

The Association Between Preoperative Frailty and Postoperative Delirium After Cardiac Surgery

Charles H Brown 4th  1 , Laura Max, Andrew LaFlam, Lou Kirk, Alden Gross, Rakesh Arora, Karin Neufeld, Charles W Hogue, Jeremy Walston, Aliaksei Pustavoitau
Affiliations
Observational Study

The Association Between Preoperative Frailty and Postoperative Delirium After Cardiac Surgery

Charles H Brown 4th et al. Anesth Analg. 2016 Aug.

Abstract

Delirium is common after cardiac surgery, and preoperative identification of high-risk patients could guide prevention strategies. We prospectively measured frailty in 55 patients before cardiac surgery and assessed postoperative delirium using a validated chart review. The prevalence of frailty was 30.9%. Frail patients had a higher incidence of delirium (47.1%) compared with nonfrail patients (2.6%; P < 0.001). In multivariable models, the relative risk of delirium was ≥2.1-fold greater in frail compared with nonfrail patients (relative risk, 18.3; 95% confidence interval, 2.1-161.8; P = 0.009). Frailty may identify patients who would benefit from delirium-prevention strategies because of increased baseline risk for delirium.

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Figures

Figure 1
Figure 1
The incidence of delirium after cardiac surgery among frail compared with non-frail patients. Among 38 non-frail patients, 1 patient developed delirium, while among 17 frail patients, 8 patients developed delirium.
None
See this image and copyright information in PMC

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